Attachment device for securing a safe guard rail system on a construction or a scaffolding



FIG. 1 is a perspective view of an attachment device for securing a safe guard rail on a construction or a scaffolding, showing my new design;

FIG. 2 is a perspective view from the opposite side thereof;

FIG. 3 is a perspective view with the lower portion lifted exposing the knurled rod; and,

FIG. 4 is a perspective view from the opposite side thereof. 

The ornamental design for an attachment device for securing a safe guard rail system on a construction or a scaffolding, as shown and described. 